<!doctype html> 
<html> 
<head> 
    <meta charset="utf-8"> 
    <title></title> 
</head>
<body>
<script type="text/javascript">
	
	onclick = function(e){
		//e  火狐不兼容    x
		//event ie不兼容  x

		//srcElement   火狐不兼容 
		//target       ie不兼容
	}
</script>
</body>
</html>